As you live in Germany, you know that many members of boards and C-Levels serve so in multiple companies. There is a difference in being a regular employee and C-Level/Board level.
This is common the world over. Board roles typically aren't meant to be full time. However executive officer (chief or otherwise) roles typically are.
I'm sure people can manage doing one of both (so long as there is no conflicts of interest). Heck, now that I think of it, technically I'm a chief science officer of a startup and a casual employee of a university...
There’s a huge difference between c-level and board responsibilities. I think it’s generally not wise for c-levels to be at multiple companies. Board is a totally different role
I'm sure people can manage doing one of both (so long as there is no conflicts of interest). Heck, now that I think of it, technically I'm a chief science officer of a startup and a casual employee of a university...